- a possible alcohol use disorder, as determined by a score of 8 or above on the AUDIT (Alcohol Use Disorders Identification Test); or, a possible opioid use disorder, as determined by positive responses on the eligibility form: within the past 30 days, opioid use has been a problem, and at least one harmful consequence of opioid use has been present, eg withdrawal symptoms, or problems with family, friends, work, money etc. If the addiction physician who assesses the patient at the first visit to the addiction service concludes that these screening tests were falsely positive and the patient does not have an alcohol or opioid use disorder, the physician will contact the RA to discharge the patient from the study.